Tire tread and buttress



FIG. 1 is a perspective view of a tire tread and buttress showing ournew design, it being understood that the pattern is repeated uniformlythroughout the circumference of the tread and buttress as shownschematically by solid lines;

FIG. 2 is a front elevation view thereof;

FIG. 3 is an enlarged fragmentary elevation view of one side thereof;and,

FIG. 4 is an enlarged fragmentary elevation view of the opposite sidethereof.

The broken line showing of environmental structure in FIGS. 1, 3 and 4of the drawing is for illustrative purposes only and forms no part ofthe claimed design.

The ornamental design for a tire tread and buttress, as shown anddescribed.